prevent message catalogs (*.mo) for appdata from being placed in the wrong location

These message catalogs are specifically installed elsewhere in these scripts, and they should
be excluded from a find(1)-based discovery process.

Note that the order of discovery will vary depending on (at least) filesystem tyoe,
and so without this fix, the .mo files from gtk2_ardour/appdata could end up
overwriting the .mo friles from gtk2_ardour itself. This happened for the 8.11
release

tools/linux_packaging/build

@@ -301,7 +301,7 @@ if test x$WITH_NLS != x ; then
 	LINGUAS=
 
         for pkg in gtk2_ardour libs/ardour libs/gtkmm2ext libs/tk/ytk ; do
-	    files=`find ../../$pkg -name "*.mo"`
+	    files=`find ../../$pkg -name "*.mo" \! -path "*/appdata/*"`
 
             #
             # the package name is appended with a number so that

tools/osx_packaging/osx_build

@@ -268,7 +268,7 @@ if test x$WITH_NLS != x ; then
 	LINGUAS=
 
 	for pkg in gtk2_ardour libs/ardour libs/gtkmm2ext lib/tk/ytk  ; do
-		files=`find ../../$pkg -name "*.mo"`
+		files=`find ../../$pkg -name \! -path "*/appdata/*" "*.mo"`
 
 		#
 		# the package name is appended with a number so that